[    2.480161] ip (280) used greatest stack depth: 12360 bytes left
[    2.526203] ip (284) used greatest stack depth: 12192 bytes left
[   15.448514] mpls_gso: MPLS GSO support
[   25.560792] ip (2386) used greatest stack depth: 11976 bytes left
[  706.711927] blackhole_netdev_xmit(): Dropping skb.
[  706.711982] blackhole_netdev_xmit(): Dropping skb.
[  706.712016] blackhole_netdev_xmit(): Dropping skb.
[  706.712050] blackhole_netdev_xmit(): Dropping skb.